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Influence of preparation method on structural, optical and magnetic properties of nickel ferrite nanoparticles

Ayaz Arif Khan

Ayaz Arif Khan

Department of Physics, University of Azad Jammu & KashmirMuzaffarabad, Pakistan
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Khan, Ayaz Arif
, 
M. Javed

M. Javed

Department of Physics, University of Azad Jammu & KashmirMuzaffarabad, Pakistan
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Javed, M.
, 
A. Rauf Khan

A. Rauf Khan

Department of Physics, University of Azad Jammu & KashmirMuzaffarabad, Pakistan
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Rauf Khan, A.
, 
Yousaf Iqbal

Yousaf Iqbal

Department of Physics, University of Azad Jammu & KashmirMuzaffarabad, Pakistan
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Iqbal, Yousaf
, 
Asif Majeed

Asif Majeed

Department of Physics, University of Azad Jammu & KashmirMuzaffarabad, Pakistan
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Majeed, Asif
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Syed Zahid Hussain

Syed Zahid Hussain

Materials Division, Directorate of Technology, Pakistan Institute of Nuclear Science and TechnologyIslamabad, Pakistan
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Hussain, Syed Zahid
 e 
S.K. Durrani

S.K. Durrani

Materials Division, Directorate of Technology, Pakistan Institute of Nuclear Science and TechnologyIslamabad, Pakistan
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Durrani, S.K.
  
14 gen 2017
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Pubblicato online: 14 gen 2017
Pagine: 58 - 65
Ricevuto: 20 apr 2016
Accettato: 23 nov 2016
DOI: https://doi.org/10.1515/msp-2017-0006
Parole chiave
© 2017 Ayaz Arif Khan, M. Javed, A. Rauf Khan, Yousaf Iqbal, Asif Majeed, Syed Zahid Hussain, S.K. Durrani
This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Scheme of synthesis of NiFe2O4 powders by (a) CSG route, (b) SGC route and (c) the Co-P route.
Scheme of synthesis of NiFe2O4 powders by (a) CSG route, (b) SGC route and (c) the Co-P route.
shows the XRD patterns of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC and (c) Co-P methods.
shows the XRD patterns of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC and (c) Co-P methods.
FT-IR spectra of NiFe2O4 nanoparticles synthesized by CSG, SGC and Co-P methods.
FT-IR spectra of NiFe2O4 nanoparticles synthesized by CSG, SGC and Co-P methods.
UV-Vis spectra of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC and (c) Co-P methods.
UV-Vis spectra of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC and (c) Co-P methods.
Hysteresis curves of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC, (c) Co-P methods and (d) normalized M-H loops at ±1500 Oe.
Hysteresis curves of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC, (c) Co-P methods and (d) normalized M-H loops at ±1500 Oe.
SEM images of NiFe2O4 nanoparticles synthesized by (a) sol-gel, (b) auto-combustion and (c) co-precipitation methods and calcined at 1000 °C.
SEM images of NiFe2O4 nanoparticles synthesized by (a) sol-gel, (b) auto-combustion and (c) co-precipitation methods and calcined at 1000 °C.

FT-IR frequency bands of NiFe2O4_

Synthesis routeIR frequency bands[cm−1]
ν1ν2
CSG580405
SGC592400
Co-P586401

Band gap and crystallite size of NiFe2O4_

Synthesis routeBand gap [eV]Crystallite size [nm]
CSG5.970.73
SGC5.226.71
Co-P5.835.35

Average particle size [nm] of NiFe2O4 nanoparticles determined fromXRD and magnetic properties observed at room temperature by VSM_

Preparation techniqueCrystallite size [nm]Saturation magnetization MS [emu/g]Remanence MR [emu/g]Coercivity HC [Oe]
CSG70.7336.618.25272.3
SGC26.713.66910.857230
Co-P35.3528.5811.341201

XRD analysis and magnetic characterization results of NiFe2O4 samples_

Preparation techniqueAnnealing temperature [°C]Crystallite size [nm]X-ray density [g/cc]Lattice constant [Å]
CSG100070.735.60498.2215
SGC100026.714.89748.3253
Co-P100035.355.39808.5998
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